太陽の勇者と水の精霊王

From Author Wars - https://authorwars.com/books/tai-yang-noyong-zhe-toshui-nojing-ling-wang-3231845.html

Overview:

Title: 太陽の勇者と水の精霊王
Author: 大崎アイル
Year: 2022
Type: Novels
Series: 信者ゼロの女神サマと始める異世界攻略 / Full Clearing Another World Under a Goddess with Zero Believers
Number in Series: 9

Variant Titles:

2023. The Hero of the Sun and the Elemental Lord of Water